Which of the following is an example of applied research? a. Developing a way to remove dangerous chemicals from water.
b. Looking for life on distance planets
C. Studying how radiation effects humans.
d. Studying how listening to music affects your mood.

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Can someone me with 3 and 4 plz. this is for masteries test.